Home / 273,051,378.40-409,577,067.60-91,298,556.40

Finding the Fourth Proportional to 273,051,378.40, 409,577,067.60 and 91,298,556.40

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Solution

The fourth proportional to 273,051,378.40, 409,577,067.60 and 91,298,556.40 is: 136,947,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,051,378.40 : 409,577,067.60 = 91,298,556.40 : x
  2. Step 2: Convert to fraction form
    273,051,378.40/409,577,067.60 = 91,298,556.40/x
  3. Step 3: Cross multiply
    273,051,378.40x = 409,577,067.60 × 91,298,556.40
  4. Step 4: Simplify right side
    273,051,378.40x = 37,393,795,006,425,216
  5. Step 5: Solve for x
    x = 37,393,795,006,425,216/273,051,378.40
  6. Step 6: Final answer
    x = 136,947,834.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.